This is an UNSANDED/SMOOTH caulk to match Hydroment unsanded grout. Perfect for caulking along floor and wall joints where unsanded grout was used. Moisture, and UV resistant. Meets ASTM C834 Standards. Dries to touch in approx. 1 hour and should full cure in low moisture setting in 3-5 days. Color can vary by dye lots. All monitors show colors differently.